2.2.3 Access manual
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 2009 MODU Code - Code for the Construction and Equipment of Mobile Offshore Drilling Units, 2009 – Resolution A.1023(26) - Chapter 2 - Construction, Strength and Materials - 2.2 Access - 2.2.3 Access manual

2.2.3 Access manual

  2.2.3.1 A unit’s means of access to carry out overall and close-up inspections and thickness measurements should be described in an access manual which may be incorporated in the unit’s operating manual. The manual should be updated as necessary, and an updated copy maintained on board. The structure access manual should include the following for each space:

  • .1.1 plans showing the means of access to the space, with appropriate technical specifications and dimensions;

  • .1.2 plans showing the means of access within each space to enable an overall inspection to be carried out, with appropriate technical specifications and dimensions. The plans should indicate from where each area in the space can be inspected;

  • .1.3 plans showing the means of access within the space to enable close-up inspections to be carried out, with appropriate technical specifications and dimensions. The plans should indicate the positions of critical structural areas, whether the means of access is permanent or portable and from where each area can be inspected;

  • .1.4 instructions for inspecting and maintaining the structural strength of all means of access and means of attachment, taking into account any corrosive atmosphere that may be within the space;

  • .1.5 instructions for safety guidance when rafting is used for close-up inspections and thickness measurements;

  • .1.6 instructions for the rigging and use of any portable means of access in a safe manner;

  • .1.7 an inventory of all portable means of access; and

  • .1.8 records of periodical inspections and maintenance of the unit’s means of access.

  2.2.3.2 For the purpose of this paragraph “critical structural areas” are locations which have been identified from calculations to require monitoring or from the service history of similar or sister units to be sensitive to cracking, buckling, deformation or corrosion which would impair the structural integrity of the unit.

Parent topic: 2.2 Access
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.